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Oksana_A [137]
3 years ago
7

Work the following time, distance, and rate problems. Answer should be to the nearest hundredth.

Mathematics
2 answers:
n200080 [17]3 years ago
8 0
The answer is 9.3, divide the distance between town A&B by the speed of the automobile. 420/45= 9.3 hours. 
KATRIN_1 [288]3 years ago
6 0

Answer:

Step-by-step explanation:

Alright, lets get started.

The time, distance, speed formula is :

time=\frac{distance}{speed}

distance is given as 420 miles.

speed is given as 45 mph.

Plugging the value of distance and speed in above formula, we can find the time.

time=\frac{420}{45}

time=9.33

So, the time to travel between town A to town B will be 9.3 hours. :  Answer

Hope it will help :)

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Solve each equation by substitution
Aneli [31]

Answer:

<em>(1, 7) </em>

Step-by-step explanation:

y = 3x + 4

y = 6x + 1

6x + 1 = 3x + 4 ⇒ x = 1

y = 3(1) + 4 = 7

<em>(1, 7)</em>

4 0
3 years ago
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How to solve this problem
Pavlova-9 [17]
For this one you can use 3/8 + 3/8 since 3+3 is equals to 6 and the 8 stays as it is.
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4 0
3 years ago
What is the range of g?
morpeh [17]

Answer:

[-1,5]

Step-by-step explanation:

all reals between -1 and 5

6 0
2 years ago
Explain why a regular polygon cannot have an interior angle that is 40°.
Minchanka [31]

Answer:

Explained below.

Step-by-step explanation:

The formula for the interior angle of any regular polygon is given as;

Interior Angle = 180(n - 2)/n

Where n is number of sides

We are told the interior angle is 40°

Thus;

180(n - 2)/n = 40

Cross multiply to get;

180n - 360 = 40n

180n - 40n = 360

140n = 360

n = 360/140

n = 2.57

Number of sides of a regular polygon cannot be in decimal nor can it have less than 3 sides.

Thus, a shape with interior angle of 40 cannot be a polygon.

8 0
2 years ago
After distributing, which equation is equivalent to -4(3x + 2) = 10a.-12x -8 = 10b.-12x + 8 = 10c.-12x -6 = 10d.-12x + 6 = 1
rodikova [14]

Answer:

Option A: -12x-8=10 is the correct answer.

Step-by-step explanation:

Given equation is:

-4 (3x+2) = 10

We will distribute the equation by multiplying the terms inside the brackets with -4.

Therefore,

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The equation -4 (3x+2) = 10 will become -12x-8=10 after distributing.

Hence,

Option A: -12x-8=10 is the correct answer.

5 0
3 years ago
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